Calcium Sulfate Sulfite Dodecahydrate Ca3(SO4)(SO3)2.12H2O

O₄S_,2(O₃S)_,12(H₂O)_,3(Ca)

Mangio, ReginaLanger, VratislavJohansson, Lars-Gunnar

Acta Chemica Scandinavica (1991) 45, 572-577

a=11.340(2)Å   b=11.340(2)Å   c=28.056(5)Å

α=90.°   β=90.°   γ=120.°